Retail sales are up in Chicago and two local firms make big purchases. Kris Kridel of WBBM Newsradio 780 and 105.9FM has those stories, and more top business headlines.

We meet Zoe Damacela, a local fashion designer who's already getting national attention at the age of just 20.

What do you think about using taxpayer money to help renovate Wrigley Field? We have your thoughts in tonight's Viewer Mail.

Could FDA-style regulation of the finance world prevent future economic crises? A University of Chicago economics professor tells us why he thinks Wall Street needs even more regulation.

Their bank here may have cost taxpayers nearly $400 million, but one local family is still lending -- in New York. Kris Kridel of WBBM Newsradio 780 and 105.9FM joins us to discuss that story, and more top business headlines.

We talk with a tax professional to get answers to some last-minute filing questions.

Groupon shares take a dive after the Chicago company reveals "accounting mistakes." Now some investors are suing and Groupon faces a federal probe. Eddie Arruza and his panel look at how the company can recover.

Oops, they did it again! Accounting problems trip up Groupon -- sending the stock to a new low. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

What qualities make a great leader? And what is the difference between leadership and values-based leadership? A former top CEO wrote the book and he joins us with his four sometimes surprising principles for success.

Attendance is down, but the value of Chicago's baseball teams is going up. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

Oakbrook-based McDonald's gets a new CEO. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story, and more top business headlines.

Is it reverse discrimination when a black family buys from black businesses only? We have some of the more "measured" responses from our discussion board in tonight's Viewer Mail.

The Anderson family from Oak Park began an experiment in 2009: trying to buy things only from African American-owned businesses. How difficult was it for the family to buy black for an entire year? Maggie Anderson is here to tell us.

Apple unveils the iPad3, calling it the poster child for a post-PC world. Kris Kridel of WBBM Newsradio 780 and 105.9FM has that story and more top business headlines.

With unemployment at record highs, why are some companies struggling to fill jobs? Ash-har Quraishi has the story of the job skills crisis.

Want to know how a Chicago Tonight package is produced? We take you behind the scenes of a recent story.